19380540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323009}}^1$

素因数の和:323021

約数の個数: 24

約数和(自身を含む): 54265680

約数和(自身を除く): 34885140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323009, 646018, 969027, 1292036, 1615045, 1938054, 3230090, 3876108, 4845135, 6460180, 9690270, 19380540]

約数ペア:

[(1, 19380540), (2, 9690270), (3, 6460180), (4, 4845135), (5, 3876108), (6, 3230090), (10, 1938054), (12, 1615045), (15, 1292036), (20, 969027), (30, 646018), (60, 323009)]